Systemd On Linux, Maintainence Details

linux

service

system manage

systemd

This article provides instructions for managing systemd services and viewing logs on Linux. It includes sample configuration files for various applications such as frpc, pyjom_webdav_rclone, clash_fastgithub, tujia_scraper_qq_bot, tempthrottle, and sync_git_repos_syncdog.

Published

August 9, 2022

view full logs

journalctl -u <serviceName>.service

create, install, restart, reload

cd /etc/systemd/system
create <serviceName>.service
systemctl enable <serviceName>.service
systemctl daemon-reload
systemctl start <serviceName>.service

sample systemd service config files

maybe we should add some autorestart configs at it?

frpc_service.service

[Unit]
Description=frpc service, expose ssh, webdav and code-server ports
Wants=network.target
After=syslog.target network-online.target
[Service]
Type=simple
User=root
ExecStart=/root/frp_client_linux/frp_0.36.2_linux_amd64/frpc -c frpc.ini
WorkingDirectory=/root/frp_client_linux/frp_0.36.2_linux_amd64
Restart=on-failure
RestartSec=10
KillMode=process
[Install]
WantedBy=multi-user.target

pyjom_webdav_rclone_service.service

[Unit]
Description=rclone webdav served on pyjom, after the disk is mounted
[Service]
User=root
ExecStart=/usr/bin/python3 mount_help_and_serve_pyjom.py
WorkingDirectory=/root/Desktop/works/restore_sessions
[Install]
WantedBy=multi-user.target

tempthrottle.service

[Unit]
Description=temperature control, cpu temperature under 60 celsius
[Service]
User=root
ExecStart=/usr/bin/python3 tempthrottle_daemon.py
WorkingDirectory=/root/Desktop/works/restore_sessions
[Install]
WantedBy=multi-user.target

clash_fastgithub.service

[Unit]
Description=Clash Fastgithub Proxy
After=network.target
[Service]
Type=simple
Restart=always
ExecStart=/usr/bin/clash -d /etc/clash
[Install]
WantedBy=multi-user.target

tujia_scraper_qq_bot.service

[Unit]
Description=two crucial services: tujia scraper, qq bot
Wants=network.target
After=syslog.target network-online.target
[Service]
Environment="DISPLAY=:1"
Environment="XAUTHORITY=/root/.Xauthority"
User=root
ExecStart=/usr/bin/python3 main_daemon.py
WorkingDirectory=/root/Desktop/works/restore_sessions
[Install]
WantedBy=graphical.target

sync_git_repos_syncdog.service

[Unit]
Description=syncdog (server), to sync things to the cloud (github)
Wants=sshd.service
Wants=network.target
[Service]
User=root
ExecStart=/usr/bin/python3 syncdog_test.py
WorkingDirectory=/root/Desktop/works/sync_git_repos
[Install]
WantedBy=multi-user.target